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Healthcare Providers in Maryland

Find doctors, hospitals, and clinics in Maryland from the official NPPES NPI Registry. We found 107 providers in this listing.

107 Providers Found Data from NPPES NPI Registry Updated 2026
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All Providers Doctors Hospitals & Clinics
Showing 16–30 of 107 providers
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Organization (NPI-2) Active

DEEP SLEEP

Internal Medicine, Sleep Medicine

📍251 LEWIS LN, HAVRE DE GRACE, MD, 21078

📞 410-939-2711

NPI: 1689997454

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Organization (NPI-2) Active

GLOBAL HEALTH MEDICAL GROUP LLC

Registered Nurse, Ambulatory Care

📍11125 ROCKVILLE PIKE STE 208, ROCKVILLE, MD, 20852

📞 301-881-5858

NPI: 1992357198

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Organization (NPI-2) Active

GOOD LUCK SLEEP CENTER

Psychiatry & Neurology, Sleep Medicine

📍9801 GREENBELT RD STE 101, LANHAM, MD, 20706

📞 301-552-6666

NPI: 1487867156

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Organization (NPI-2) Active

GREATER BALTIMORE MEDICAL CENTER, INC.

Internal Medicine

📍6565 N CHARLES ST, PHYSICIAN PAVILION EAST, BALTIMORE, MD, 21204

📞 443-849-2000

NPI: 1467274746

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Organization (NPI-2) Active

GREATER BALTIMORE MEDICAL CENTER, INC.

Internal Medicine, Pulmonary Disease

📍6565 N CHARLES ST STE 411, BALTIMORE, MD, 21204

📞 443-849-3901

NPI: 1437034667

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Organization (NPI-2) Active

GREATER BALTIMORE MEDICAL CENTER, INC.

Internal Medicine, Sleep Medicine

📍6565 N CHARLES ST STE 311, BALTIMORE, MD, 21204

📞 443-849-3901

NPI: 1538029731

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Organization (NPI-2) Active

GUILLERMO J. GIANGRECO, M.D., LLC

Internal Medicine, Sleep Medicine

📍1741 ALLERFORD DR, HANOVER, MD, 21076

📞 443-688-6809

NPI: 1144501461

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Organization (NPI-2) Active

HELENE A. EMSELLEM, MD, PC

Clinic/Center, Sleep Disorder Diagnostic

📍5454 WISCONSIN AVE STE 1335, CHEVY CHASE, MD, 20815

📞 301-654-0209

NPI: 1689853756

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Organization (NPI-2) Active

HOWARD COUNTY CENTER FOR LUNG AND SLEEP MEDICINE LL C

Internal Medicine, Sleep Medicine

📍8600 SNOWDEN RIVER PKWY, COLUMBIA, MD, 21045

📞 410-740-3635

NPI: 1316373095

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Organization (NPI-2) Active

HOWARD COUNTY CENTER FOR LUNG AND SLEEP MEDICINE LLC

Internal Medicine, Pulmonary Disease

📍10910 LITTLE PATUXENT PKWY, COLUMBIA, MD, 21044

📞 410-740-3635

NPI: 1154757326

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Organization (NPI-2) Active

INNERVATE NEUROPHYSIOLOGY

Psychiatry & Neurology, Neurology

📍6400 BALTIMORE NATIONAL PIKE, BALTIMORE, MD, 21228

📞 202-670-8843

NPI: 1134666159

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Organization (NPI-2) Active

JOHNS HOPKINS REGIONAL PHYSICIANS LLC

Internal Medicine, Sleep Medicine

📍11085 LITTLE PATUXENT PKWY STE 210, COLUMBIA, MD, 21044

📞 410-740-7944

NPI: 1831044874

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Organization (NPI-2) Active

JOHNS HOPKINS REGIONAL PHYSICIANS LLC

Internal Medicine

📍600 N WOLFE ST, BALTIMORE, MD, 21287

📞 410-955-5000

NPI: 1629825369

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Organization (NPI-2) Active

JOHNS HOPKINS UNIVERSITY

Pediatrics, Sleep Medicine

📍11085 LITTLE PATUXENT PKWY STE 210, COLUMBIA, MD, 21044

📞 443-997-5437

NPI: 1548120520

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Organization (NPI-2) Active

JOHNS HOPKINS UNIVERSITY

Pediatrics, Pediatric Pulmonology

📍600 N WOLFE ST, BALTIMORE, MD, 21287

📞 410-933-1182

NPI: 1285621714

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🗺 Cities in Maryland

📍 Baltimore 📍 Columbia 📍 Germantown 📍 Silver Spring 📍 Waldorf 📍 Frederick 📍 Glen Burnie 📍 Gaithersburg 📍 Bethesda 📍 Rockville 📍 Bowie 📍 Towson 📍 Aspen Hill 📍 Wheaton 📍 Bel Air South 📍 Potomac 📍 Severn 📍 North Bethesda 📍 Ellicott City 📍 Annapolis

📊 Quick Stats

Providers Listed 107
Cities Found 20
State Maryland
Source NPPES NPI Registry

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Healthcare in Maryland

Maryland is home to one of the most distinguished healthcare systems in the world, anchored by Johns Hopkins Medicine in Baltimore — consistently ranked as one of the top hospitals in the United States and globally renowned for medical research, education, and clinical care. University of Maryland Medical System (UMMS) is the state's largest health system, operating the University of Maryland Medical Center (a Level I Trauma Center and academic medical center) along with hospitals throughout the state. MedStar Health and Luminis Health are other major systems serving the Baltimore-Washington corridor.

Maryland's proximity to Washington, D.C. means that many residents also access care at major medical centers in Northern Virginia and the District. The state has a highly educated and relatively affluent population, contributing to better-than-average health outcomes in many metrics. However, Baltimore City faces significant health disparities, with elevated rates of chronic disease, violence-related trauma, and substance use disorders in many neighborhoods.

Maryland expanded Medicaid in 2014, and the program covers approximately 1.6 million residents. The state operates Maryland Health Connection (marylandhealthconnection.gov), its own ACA marketplace. The Maryland Board of Physicians (mbp.state.md.us) licenses physicians and provides online verification.

Frequently Asked Questions — Maryland Healthcare